别指望在加拿大办美签了,人家网站上写的很清楚: % f7 v: F- v9 |2 u) x
( E0 [- Z8 P! x2 S5 D5 g6 } http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:8 e. q" Y% l9 J/ M& [
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"Important Notice for Applicants with a Visitor's Permit to Canada9 ^& O8 E3 z4 B: Y
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With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."